[LUCENE-10084] Rewrite DocValuesFieldExistsQuery to a MatchAllDocsQuery when docCount == maxDoc

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 9.1
• Lucene Fields: New
• Assignee: Unassigned
• Reporter: Adrien Grand
• Created: 02/Sep/21 12:10
• Updated: 28/Aug/22 16:25
• Resolved: 17/Feb/22 19:30

Description

Now that we require all documents to use the same features (LUCENE-9334) we could rewrite DocValuesFieldExistsQuery to a MatchAllDocsQuery whenever terms or points have a docCount that is equal to maxDoc.

Issue Links

• links to: GitHub Pull Request #677